Sale and Clearance: Racing Performance

This harness is designed to fit LS2/3/7+ engines from 1997-2012. The harness interfaces with 58x crank and 4x cam sensors. Harness is a perfect fit for installers wanting to mount the any Holley EFI ECU inside of the passenger compartment where it...

This harness has been designed to interface with 58x crank and 4x cam sensors. These engines are commonly found in 2006+ Year Model vehicles with LS variants such as the: LS2,LS3,LS7,L76,L92, and L98.Specs: Brand: Holley EFI Category: Fuel Injec...

Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley EFI ...

This harness is designed for LS1/6 engines from 1997-2004. This harness interfaces with 24x crank and 1x cam sensors. Harness is a perfect fit for installers wanting to mount the any Holley EFI ECU inside of the passenger compartment where it is a...

This harness is designed for LS1/6 Engines, from 1997-2004. This harness interfaces with 24x Crank and 1x Cam sensors.Specs: Brand: Holley EFI Category: Fuel Injection - EFI Crank Reluctor: 24x Emission Code: 4 Harness Application: LSX Harne...

The P/N 300-608 & 300-608BK Ultra Lo-Ram billet burst panel ducts are designed to complement the Holley LS Ultra Lo-Ram EFI intake manifold kits. The Ultra Lo-Ram kits are intended for boosted engine applications where the requirement of an in...

LS throttle cable bracket service part for LS throttle bodies part numbers 112-574 and 112-576.Features: Replacement/Service part Cable bracket LS throttle bodies part number112-574 and 112-576 Silver color Specs: Brand: Holley EFI Category: Air...

Replacement 92/102mm GM LS Throttle Body GasketSpecs: Brand: Holley EFI Category: Holley EFI Service Parts EGR Gasket Included: No Emission Code: 5 Fuel Injection Type: Port Grade Type: Performance Product Type: Throttle Body Gasket Type o...

Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your H...

Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley EFI ...

LS Hi-Flow Holley EFI Fuel Rails - Fits LS1, LS2, LS3, LS6 & L99 factory intakesIncludes (4) -6 to 3/4"-16 O-ring fittings.Fuel Rail mounting brackets and required mounting hardware.Features: Bright dip, black anodized finish with laser etched...

LS Hi-Flow Holley EFI Fuel Rails - Same as 534-209, but also includes (6') braided hose, (4) 90º and (2) straight -6 hose endsFeatures: Bright dip, black anodized finish with laser etched EFI logo for long lasting good looks 5/8” diameter fuel pas...

EFI fuel rails are machined for -8AN O-ring Fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system.Specs: Brand: Holley EFI Category: Air and Fuel Delivery Color: Black Emission Cod...

Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new Holley EFI LS Coil Sub Harness. This coil sub harness is intended to be used with factory LS coils and various Holley EFI main harnesses with Coil-on-plug ...

Designed to extend your factory coil harness, allowing you to easily remote mount your LS ignition coils. These 36" long ignition coil extension harnesses are perfect for anyone wanting to remote mount their ignition coils off of the valve covers ...

Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your H...

Official Holley EFI license plate…perfect addition to any vehicle when your state doesn't require a front state issued license plate. Also, great for the garage, man cave, she shed, or even cubical wall. High gloss graphics on embossed aluminum is...

Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley EFI ...

Introducing J1A through J4 Connectors Kits so you no longer have to buy a complete connector kit if you only need one I/O connector for your installation.Features: OEM Quality Connectors and Pins J4 connector Perfect for DIY or custom builds for w...

Introducing J1A through J4 Connectors Kits so you no longer have to buy a complete connector kit if you only need one I/O connector for your installation.Features: OEM Quality Connectors and Pins J3 connector Perfect for DIY or custom builds for w...

Introducing J1A through J4 Connectors Kits so you no longer have to buy a complete connector kit if you only need one I/O connector for your installation.Features: OEM Quality Connectors and Pins J2B connector Perfect for DIY or custom builds for ...

j2A, j2B, j3, j4 Connector & Pin Kit - Contains connectors & pins, but no wiring. for Dominator EFISpecs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 5 Harness Type: Auxiliary Part Type: Fuel Injector Connector P...

Introducing J1A through J4 Connectors Kits so you no longer have to buy a complete connector kit if you only need one I/O connector for your installation.Features: OEM Quality Connectors and Pins J2A connector Perfect for DIY or custom builds for ...

Introducing J1A through J4 Connectors Kits so you no longer have to buy a complete connector kit if you only need one I/O connector for your installation.Features: OEM Quality Connectors and Pins J1B connector Perfect for DIY or custom builds for ...